Dataset Information

HLA-DRB1 and HLA-DQB1 genetic diversity modulates response to lithium in bipolar affective disorders.

ABSTRACT: Bipolar affective disorder (BD) is a severe psychiatric illness, for which lithium (Li) is the gold standard for acute and maintenance therapies. The therapeutic response to Li in BD is heterogeneous and reliable biomarkers allowing patients stratification are still needed. A GWAS performed by the International Consortium on Lithium Genetics (ConLiGen) has recently identified genetic markers associated with treatment responses to Li in the human leukocyte antigens (HLA) region. To better understand the molecular mechanisms underlying this association, we have genetically imputed the classical alleles of the HLA region in the European patients of the ConLiGen cohort. We found our best signal for amino-acid variants belonging to the HLA-DRB1*11:01 classical allele, associated with a better response to Li (p < 1 × 10^-3; FDR < 0.09 in the recessive model). Alanine or Leucine at position 74 of the HLA-DRB1 heavy chain was associated with a good response while Arginine or Glutamic acid with a poor response. As these variants have been implicated in common inflammatory/autoimmune processes, our findings strongly suggest that HLA-mediated low inflammatory background may contribute to the efficient response to Li in BD patients, while an inflammatory status overriding Li anti-inflammatory properties would favor a weak response.

SUBMITTER: Le Clerc S

PROVIDER: S-EPMC8426488 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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HLA-DRB1 and HLA-DQB1 genetic diversity modulates response to lithium in bipolar affective disorders.

Le Clerc Sigrid S Lombardi Laura L Baune Bernhard T BT Amare Azmeraw T AT Schubert Klaus Oliver KO Hou Liping L Clark Scott R SR Papiol Sergi S Cearns Micah M Heilbronner Urs U Degenhardt Franziska F Tekola-Ayele Fasil F Hsu Yi-Hsiang YH Shekhtman Tatyana T Adli Mazda M Akula Nirmala N Akiyama Kazufumi K Ardau Raffaella R Arias Bárbara B Aubry Jean-Michel JM Backlund Lena L Bhattacharjee Abesh Kumar AK Bellivier Frank F Benabarre Antonio A Bengesser Susanne S Biernacka Joanna M JM Birner Armin A Brichant-Petitjean Clara C Cervantes Pablo P Chen Hsi-Chung HC Chillotti Caterina C Cichon Sven S Cruceanu Cristiana C Czerski Piotr M PM Dalkner Nina N Dayer Alexandre A Del Zompo Maria M DePaulo J Raymond JR Étain Bruno B Jamain Stephane S Falkai Peter P Forstner Andreas J AJ Frisen Louise L Frye Mark A MA Fullerton Janice M JM Gard Sébastien S Garnham Julie S JS Goes Fernando S FS Grigoroiu-Serbanescu Maria M Grof Paul P Hashimoto Ryota R Hauser Joanna J Herms Stefan S Hoffmann Per P Jiménez Esther E Kahn Jean-Pierre JP Kassem Layla L Kuo Po-Hsiu PH Kato Tadafumi T Kelsoe John R JR Kittel-Schneider Sarah S Ferensztajn-Rochowiak Ewa E König Barbara B Kusumi Ichiro I Laje Gonzalo G Landén Mikael M Lavebratt Catharina C Leckband Susan G SG Tortorella Alfonso A Manchia Mirko M Martinsson Lina L McCarthy Michael J MJ McElroy Susan L SL Colom Francesc F Millischer Vincent V Mitjans Marina M Mondimore Francis M FM Monteleone Palmiero P Nievergelt Caroline M CM Nöthen Markus M MM Novák Tomas T O'Donovan Claire C Ozaki Norio N Ösby Urban U Pfennig Andrea A Potash James B JB Reif Andreas A Reininghaus Eva E Rouleau Guy A GA Rybakowski Janusz K JK Schalling Martin M Schofield Peter R PR Schweizer Barbara W BW Severino Giovanni G Shilling Paul D PD Shimoda Katzutaka K Simhandl Christian C Slaney Claire M CM Pisanu Claudia C Squassina Alessio A Stamm Thomas T Stopkova Pavla P Maj Mario M Turecki Gustavo G Vieta Eduard E Veeh Julia J Witt Stephanie H SH Wright Adam A Zandi Peter P PP Mitchell Philip B PB Bauer Michael M Alda Martin M Rietschel Marcella M McMahon Francis J FJ Schulze Thomas G TG Spadoni Jean-Louis JL Boukouaci Wahid W Richard Jean-Romain JR Le Corvoisier Philippe P Barrau Caroline C Zagury Jean-François JF Leboyer Marion M Tamouza Ryad R

Scientific reports 20210908 1

Bipolar affective disorder (BD) is a severe psychiatric illness, for which lithium (Li) is the gold standard for acute and maintenance therapies. The therapeutic response to Li in BD is heterogeneous and reliable biomarkers allowing patients stratification are still needed. A GWAS performed by the International Consortium on Lithium Genetics (ConLiGen) has recently identified genetic markers associated with treatment responses to Li in the human leukocyte antigens (HLA) region. To better underst ...[more]

PMID: 34497278

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Project description:Multiple sclerosis (MS), a common central nervous system inflammatory disease, has a major heritable component. Susceptibility is associated with the MHC class II region, especially HLA-DRB5*0101-HLA-DRB1*1501-HLA-DQA1*0102-HLA-DQB1*0602 haplotypes(hereafter DR2), which dominate genetic contribution to MS risk. Marked linkage disequilibrium (LD) among these loci makes identification of a specific locus difficult. The once-leading candidate, HLA-DRB1*15, localizes to risk, neutral, and protective haplotypes. HLA-DRB1*15 and HLA-DQB1*0602, nearly always located together on a small ancestral chromosome segment, are strongly MS-associated. One intervening allele on this haplotype, viz. HLA-DQA1*0102, shows no primary MS association. Two Canadian cohorts (n = 830 and n = 438 trios) genotyped for HLA-DRB1, HLA-DQA1 and HLA-DQB1 alleles were tested for association using TDT. To evaluate epistasis involving HLA-DRB1*15, transmissions from HLA-DRB1*15-negative parents were stratified by the presence/absence of HLA-DRB1*15 in affected offspring. All 3 alleles contribute to MS susceptibility through novel epistatic interactions. HLA-DQA1*0102 increased disease risk when combined with HLA-DRB1*1501 in trans, thereby unambiguously implicating HLA-DQ in MS susceptibility. Three-locus haplotypes demonstrated that HLA-DRB1*1501 and HLA-DQB1*0602 each influence risk. Transmissions of rare morcellated DR2 haplotypes showed no interaction with HLA-DQA1*0102. Incomplete haplotypes bearing only HLA-DRB1*1501 or HLA-DQB1*0602 did not predispose to MS. Balanced reciprocal transmission distortion can mask epistatic allelic association. These findings implicate epistasis among HLA class II alleles in human immune responses generally, provide partial explanation for intense linkage disequilibrium in the MHC, have relevance to animal models, and demonstrate key roles for DR2-specific interactions in MS susceptibility. MHC disease associations may be more generally haplotypic or diplotypic.

Project description:ObjectiveSystemic sclerosis (SSc) is a rare disease that is particularly uncommon in children. Specific HLA alleles have been associated with SSc in adults. This study was undertaken to investigate HLA class II alleles in juvenile-onset SSc.MethodsDRB1, DQA1, and DQB1 alleles were determined by DNA-based HLA typing. Analyses were conducted comparing Caucasian patients with juvenile-onset SSc (n = 76) to healthy Caucasian controls (n = 581).ResultsInitial analyses focused on HLA class II associations previously reported in adult Caucasian patients with SSc. The frequency of DRB1*11 was not significantly increased in juvenile-onset SSc (22.4% of patients with juvenile-onset SSc versus 17.6% of controls; odds ratio [OR] 1.35, P = 0.34), nor were the specific DRB1*11:01 or *11:04 alleles. DQA1*05, a risk factor previously identified in adult men with SSc, was increased in patients with juvenile-onset SSc versus controls (57.9% versus 44.1%; OR 1.76, P = 0.027), as was DRB1*03 (34.2% versus 22.5%; OR 1.79, P = 0.031). Secondary analyses of all DRB1 allele groups revealed an association with DRB1*10 (10.5% of patients with juvenile-onset SSc versus 1.5% of controls; OR 7.48, P = 0.0002). As this is a new observation, correction was made for multiple comparisons of 13 different DRB1 allele groups; results nevertheless remained significant (P = 0.003). Also, a lower frequency of DRB1*01 was observed in patients with juvenile-onset SSc who were younger at disease onset (OR 0.06, P = 0.01) and in those with antibodies to topoisomerase (OR 0.14, P = 0.024).ConclusionAssociations of HLA alleles with juvenile-onset SSc differed from associations with SSc in women, but were similar to associations with SSc in men. Additionally, a novel association with DRB1*10 was observed in children. The greatest proportion of genetic risk of SSc is contributed by the HLA complex, and the current study reveals the importance of the association of HLA class II genes in juvenile-onset SSc.

Project description:INTRODUCTION: Genetic predisposition to multiple sclerosis (MS) in Sardinia (Italy) has been associated with five DRB1*-DQB1* haplotypes of the human leukocyte antigen (HLA). Given the complexity of these associations, an in-depth re-analysis was performed with the specific aims of confirming the haplotype associations; establishing the independence of the associated haplotypes; and assessing patients' genotypic risk of developing MS. METHODS AND RESULTS: A transmission disequilibrium test (TDT) of the DRB1*-DQB1* haplotypes in 943 trio families, confirmed a higher than expected transmission rate (over-transmission) of the *13:03-*03:01 (OR = 2.9, P = 7.6×10(-3)), *04:05-*03:01 (OR = 2.4, P = 4.4×10(-6)) and *03:01-*02:01 (OR = 2.1, P = 1.0×10(-15)) haplotype. In contrast, the *16:01-*05:02 (OR = 0.5, P = 5.4×10(-11)) and the *15:02-*06:01 (OR = 0.3, P = 1.5×10(-3)) haplotypes exhibited a lower than expected transmission rate (under-transmission). The independence of the transmission of each positively and negatively associated haplotype was confirmed relative to all positively associated haplotypes, and to the negatively associated *16:01-*05:02 haplotype. In patients, carriage of two predisposing haplotypes, or of protective haplotypes, respectively increased or decreased the patient's risk of developing MS. The risk of MS followed a multiplicative model of genotypes, which was, in order of decreasing ORs: *04:05-*0301/*03:01-*02:01 (OR = 4.5); *03:01-*02:01/*03:01-*02:01 (OR = 4.1); and the *16:01-*05:02/*16:01-*0502 (OR = 0.2) genotypes. Analysis of DRB1 and DQB1 protein chain residues showed that the Val/Gly residue at position 86 of the DRB1 chain was the only difference between the protective *16:01- *15:02 alleles and the predisposing *15:01 one. Similarly, the Ala/Val residue at position 38 of the DQB1 chain differentiated the positively associated *06:02 allele and the negatively associated *05:02, *06:01 alleles. CONCLUSIONS: These findings show that the association of specific, independent DRB1*-DQB1* haplotypes confers susceptibility or resistance to MS in the MS-prone Sardinian population. The data also supports a functional role for specific residues of the DRB1 and DQB1 proteins in predisposing patients to MS.

Project description:Aim: The objective of this study was to evaluate the association of the human leukocyte antigen (HLA) class II genes HLA-DRB1, HLA-DPB1, and HLA-DQB1 with the humoral immune response elicited by inactivated Japanese encephalitis (JE) vaccine (IJEV). Methods: A total of 373 individuals aged 3-12 years in the Inner Mongolia Autonomous Region in China, who received two doses of IJEV at 0 and 7 days, were enrolled in the current study. Based on the individuals' specific JE virus (JEV)-neutralizing antibodies (NAbs), they were divided into a seropositive and a seronegative group. HLA-DRB1, HLA-DPB1, and HLA-DQB1 were genotyped using a sequencing-based typing method. Next, the association of the HLA class II genes and their haplotypes with antibody response was evaluated. Results: Based on NAbs, a total of 161 individuals were classified as seropositive and 212 as seronegative. DQB1 * 02:01 was significantly associated with JEV seropositivity (P < 0.001, OR = 0.364, 95% CI: 0.221-0.600), while DQB1 * 02:02 was significantly associated with JEV seronegativity (P = 5.03 × 10-6, OR = 7.341, 95% CI: 2.876-18.736). The haplotypes DRB1 * 07:01-DPB1 * 04:01-DQB1 * 02:01, DRB1 * 15:01-DPB1 * 02:01-DQB1 * 06:02, DRB1 * 07:01-DQB1 * 02:01, and DPB1 * 02:01-DQB1 * 06:02 were very frequent in the seropositive group, while DRB1 * 07:01-DPB1 * 17:01-DQB1 * 02:02, DRB1 * 07:01-DQB1 * 02:02, and DPB1 * 17:01-DQB1 * 02:02 were very frequent in the seronegative group. The presence of DRB1 * 01:01, DRB1 * 04:05, DRB1 * 09:01, DRB1 * 12:02, DRB1 * 13:02, and DRB1 * 14:01 was associated with a higher geometric mean titer (GMT) of NAbs than that of DRB1 * 11:01 at the DRB1 locus (P < 0.05). At the DPB1 locus, the presence of DPB1 * 05:01 was associated with higher GMTs than that of DPB1 * 02:01 and DPB1 * 13:01 (P < 0.05), and the presence of DPB1 * 04:01 and DPB1 * 09:01 was associated with higher GMTs than that of DPB1 * 13:01 (P < 0.05). Conclusions: The present study suggests that HLA class II genes may influence the antibody response to IJEV.

Dataset Information

HLA-DRB1 and HLA-DQB1 genetic diversity modulates response to lithium in bipolar affective disorders.

Publications

HLA-DRB1 and HLA-DQB1 genetic diversity modulates response to lithium in bipolar affective disorders.

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